Spotted Knapweed Invasive Plant Information


Spotted Knapweed has been reported in the following 46 states:

Arizona, Colorado, Connecticut, Georgia, Idaho, Illinois, Indiana, Kansas, Kentucky, Maryland, Minnesota, Montana, Nebraska, New Hampshire, New Mexico, North Carolina, Pennsylvania, South Carolina, South Dakota, Utah, Vermont, Wisconsin, Wyoming, Oregon, West Virginia, Alabama, Arkansas, California, Delaware, Florida, Hawaii, Iowa, Louisiana, Maine, Massachusetts, Michigan, Missouri, Nevada, New Jersey, New York, North Dakota, Ohio, Rhode Island, Tennessee, Virginia, Washington


Images of Spotted Knapweed:



Information about Spotted Knapweed:


The following information is licensed as Creative Commons content from Wikipedia and the USDA.
More information about Spotted Knapweed may be found here, or from the US Department of Agriculture.


Other links with information about Spotted Knapweed:


Reported Urban
Infected Regions:

Missoula, MT
Coeur D'alene, ID
Au Sable, MI